Seiko Cal. 7131 - 181

The Seiko 7131-181 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-c8cbdc1fdf14]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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